New Traffic Signal Helps Pedestrians Cross Streets Safely

HAWK-Signal
A new type of traffic signal could make pedestrian travel a bit easier in the densely packed cities and in sprawling suburbia where traffic lights can be few and far between. 

The High-intensity Activated Cross Walk signal is designed to allow pedestrians to cross busy streets by stopping traffic. Think of the HAWK signal like any other push-activated pedestrian signal but without any vehicular traffic controls. HAWK will typically be placed on long tracks of highway where there’s a lot of high-speed traffic and not many ways for pedestrians to get across. 

To drivers, the signal looks like a triangular arrangement of a traditional red-yellow-green stoplight. Once a pedestrian presses the Walk button, the lower light, which is yellow in color, will flash to alert drivers that a pedestrian wants to cross. The flashing yellow light will then turn a solid yellow color to warn motorist to slow down. Finally, the top two lights will turn red, requiring cars to stop to allow pedestrians to cross. Once the pedestrian is off the crosswalk, the top two lights will remain red and flash on and off. This means drivers can start driving again, but to be cautious. 

When there are no pedestrians present no light signal will illuminate on the HAWK signal, so it won’t distract motorists. 

HAWK_System
According to the District of Columbia’s Department of Transportation, the system also provides an audible message and a vibrating arrow button to warn visually impaired pedestrians that the walk signal has been activated. 

HAWK signals are becoming more popular because there’s statistical evidence that proves they save lives. According to researchers with the Texas Transportation Institute, there’s been a 13%-29% reduction in all crashes and a 50% drop in pedestrian-related accidents at the 21 HAWK sites in Tucson, Ariz., where they were first developed about 10 years ago. 

HAWK has popped up in cities in Georgia, Minnesota, Virginia, Illinois, Arizona and Delaware and could increase in popularity due to a recent change in federal guidelines that allows the signals to be installed without getting permission from the Federal Highway Administration. According to USA Today, each HAWK system cost $120,000 to install. 

The only major criticism of the system is not many drivers understand the signals. According to Blake Redfield, St. Cloud, Minn.’s traffic systems manager, HAWK confuses some drivers, especially the final flashing red lights, which are supposed to signal to cars that they can start moving again. In Georgia, some drivers treated HAWK as a four-way stop, even when the signal was off. They simply thought the power was out. 

For our readers, who have experienced this new type of traffic signal, did the HAWK signal confuse you or was it easy to understand? Tell us what you think in the comment section below. 

New traffic signals make it safer for pedestrians (USA Today)

Photos provided by the City of Champaign, Illinois and the District Department of Transportation
By Colin Bird | August 9, 2010 | Comments (8)
Tags: Safety

Comments 

I've written about D.C.'s HAWK signal for The Northwest Current newspaper in that neighborhood, and what I've been told is that every driver seems to react to it differently. The most common issue that's come up is that when the lights switch from solid to flashing red, drivers start moving immediately regardless of whether someone is still crossing.

The D.C. transportation department had to add an extra 10 seconds of solid red to the original timing.

Derrick G

Why can't they just do like they do here? Put up a conventional signal just for the cross-walk and be done with it.

There are FHA rules requiring a certain amount of traffic before there can be a conventional stoplight.

mike

This is common in Europe I know, but where I was they used the typical red-yellow-green and it was push-activated by pedestrians.

Derrick G

Brady,

And that'd apply for a pedestrian-only signal? One of the lights I'm thinking of is on US 276. Though it does carry a fair amount of traffic, I'm not sure the pedestrian traffic amounts to much. I've seen it red about four times in maybe 5 years.

It seems to be good. I hope It'd help to avoid accidents.

Aaron Tindall

I live in Tucson, AZ. When these things were first introduced most drivers would stay stopped during the blinking cycle, and it drove me nuts if I was beind such a driver. (Um, blinking red is a stop sign... theoretically we all learned this when we learned to drive.)

But honestly, now that they've been in operation for so long most everyone (locals, anyway) knows what to do and the system works pretty well.

Wayne

Thank you for the information. Since I had never seen or heard anything about these signals before, I had to guess what the meaning of the blinking double red was. I think the signals are very useful, but it is a mistake not to have a publicity campaign to explain them.

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